44401232040 has 64 divisors (see below), whose sum is σ = 145313127360. Its totient is φ = 10763934720.

The previous prime is 44401232033. The next prime is 44401232053. The reversal of 44401232040 is 4023210444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 44401232040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16817329 + ... + 16819968.

It is an arithmetic number, because the mean of its divisors is an integer number (2270517615).

Almost surely, 2^44401232040 is an apocalyptic number.

44401232040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44401232040 is an abundant number, since it is smaller than the sum of its proper divisors (100911895320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44401232040 is a wasteful number, since it uses less digits than its factorization.

44401232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33637322 (or 33637318 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 44401232040 its reverse (4023210444), we get a palindrome (48424442484).

The spelling of 44401232040 in words is "forty-four billion, four hundred one million, two hundred thirty-two thousand, forty".